12078297958 has 8 divisors (see below), whose sum is σ = 18164752128. Its totient is φ = 6023380584.

The previous prime is 12078297941. The next prime is 12078297977. The reversal of 12078297958 is 85979287021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7883241 + ... + 7884772.

It is an arithmetic number, because the mean of its divisors is an integer number (2270594016).

Almost surely, 2^12078297958 is an apocalyptic number.

12078297958 is a deficient number, since it is larger than the sum of its proper divisors (6086454170).

12078297958 is a wasteful number, since it uses less digits than its factorization.

12078297958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15768398.

The product of its (nonzero) digits is 5080320, while the sum is 58.

The spelling of 12078297958 in words is "twelve billion, seventy-eight million, two hundred ninety-seven thousand, nine hundred fifty-eight".